Centaurea cyanus · rugiagėlė
https://en.wikipedia.org/wiki/Centaurea_cyanus Centaurea cyanus is native to temperate Europe, but is widely naturalized outside its native range. There are several ornamentals cultivars. The flowers of Centaurea cyanus can be eaten raw, dried or cooked. Dried petals are used in foods, including in spices. Their main purpose is to add colour to food.